Eemeli Aro

Add `<when>` to help select the right `<match>`

10

As noted by @macchiati in https://github.com/unicode-org/message-format-wg/pull/471#issuecomment-1848074823: > One note: we might not want to treat `:integer` as simply an alias for `:number`. There is one difference in handling: > >...

Extending the registry is not defined and difficult

7

With our current registry definition, each `` may contain multiple `` and `` elements, each of which separately defines their inputs and options. I think this structure allows too much...

How to refer to CLDR data on plural rules?

3

As discussed on https://github.com/unicode-org/message-format-wg/pull/534#discussion_r1406353057 and previously, it would be Very Good to be able to make use of the existing CLDR data at least in [`plurals.xml`](https://github.com/unicode-org/cldr/blob/main/common/supplemental/plurals.xml) and [`ordinals.xml`](https://github.com/unicode-org/cldr/blob/main/common/supplemental/ordinals.xml), which effectively...

We should not require `*` if the variant keys exhaust all possibilities

14

As currently specified, we require at least one variant of each `.match` message to have only `*` keys. Otherwise, we consider the message to have a [Missing Fallback Variant](https://github.com/unicode-org/message-format-wg/blob/main/spec/errors.md#missing-fallback-variant) data...

Complex message start syntax is too strict

6

While working on a presentation about the JS implementation, I encountered the following error when testing some of the code I'd written for the slides: ```js const msg = `...

Determine how to ask the questions we want to ask during the tech preview

3

At least #602 and https://github.com/unicode-org/message-format-wg/issues/603#issuecomment-1902685068 discuss specific feedback we're interested in getting while MF2 is in tech preview. We should figure out how to ask such questions in general, and...

Should we really be using `{{pattern}}` and `|literal|` delimiters?

7

The syntax of MessageFormat 2 is the result of a long chain of discussions, arguments, compromises, and the balancing of multiple different stakeholders and concerns. While it is quite capable...

Expand function registry into an MF2 schema definition

5

Currently, we allow an MF2 implementation (or its users) to extend the spec in two different places: - custom functions - private-use annotations Of these, the functions may be defined...

Review all `registry.xml` descriptions

2

The description texts included in `registry.xml` were in part copied from MDN as comments in #420, and then included as actual content in #533. We should review all of them,...

WIP, will probably get modified and rebased. Various parts of the extension are still pretty buggy. To play around with this, check out the `mf2-vscode` branch, and run at the...